Home / 4,876.88-6,732.32-3,198.40

Finding the Fourth Proportional to 4,876.88, 6,732.32 and 3,198.40

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Solution

The fourth proportional to 4,876.88, 6,732.32 and 3,198.40 is: 4,415.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,876.88 : 6,732.32 = 3,198.40 : x
  2. Step 2: Convert to fraction form
    4,876.88/6,732.32 = 3,198.40/x
  3. Step 3: Cross multiply
    4,876.88x = 6,732.32 × 3,198.40
  4. Step 4: Simplify right side
    4,876.88x = 21,532,652.29
  5. Step 5: Solve for x
    x = 21,532,652.29/4,876.88
  6. Step 6: Final answer
    x = 4,415.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.